Convertible stroller with four swivel wheels



FIG. 1 is a perspective view of a convertible stroller with four swivel wheels showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof with the hood in an open condition;

FIG. 5 is a left side elevational view of FIG. 4; and,

FIG. 6 is a right side elevational view of FIG. 4. 

The ornamental design for a convertible stroller with four swivel wheels, as shown and described. 